[info] Using makefile-style concurrent boot in runlevel 2. [ 27.341016] audit: type=1800 audit(1543854532.148:21): pid=5855 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.89' (ECDSA) to the list of known hosts. 2018/12/03 16:29:06 parsed 1 programs 2018/12/03 16:29:08 executed programs: 0 syzkaller login: [ 43.693204] IPVS: ftp: loaded support on port[0] = 21 [ 43.704749] IPVS: ftp: loaded support on port[0] = 21 [ 43.707646] IPVS: ftp: loaded support on port[0] = 21 [ 43.718016] IPVS: ftp: loaded support on port[0] = 21 [ 43.722329] IPVS: ftp: loaded support on port[0] = 21 [ 43.745996] IPVS: ftp: loaded support on port[0] = 21 [ 44.775359] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.784814] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.799546] device bridge_slave_0 entered promiscuous mode [ 44.819634] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.831326] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.839724] device bridge_slave_0 entered promiscuous mode [ 44.858440] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.865735] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.873848] device bridge_slave_0 entered promiscuous mode [ 44.898354] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.920366] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.934906] device bridge_slave_1 entered promiscuous mode [ 44.944700] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.951652] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.959055] device bridge_slave_0 entered promiscuous mode [ 44.968306] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.975088] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.982710] device bridge_slave_1 entered promiscuous mode [ 44.992971] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.999342] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.009818] device bridge_slave_0 entered promiscuous mode [ 45.019348] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.026380] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.034013] device bridge_slave_1 entered promiscuous mode [ 45.043513] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.055094] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.075489] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.089441] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.097605] device bridge_slave_1 entered promiscuous mode [ 45.113048] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.120065] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.132718] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.141081] device bridge_slave_1 entered promiscuous mode [ 45.149745] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.176748] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.196260] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.212045] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.229604] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.239388] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.248943] device bridge_slave_0 entered promiscuous mode [ 45.263729] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.277833] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.289907] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.371623] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.378040] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.391960] device bridge_slave_1 entered promiscuous mode [ 45.433953] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.472926] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.484872] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.514551] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.527265] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.547437] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.562760] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.571769] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.589907] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.600773] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.624270] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.641638] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.649569] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.666272] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.693357] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.715419] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.726629] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.734397] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.746465] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.759031] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.769822] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.784421] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.796425] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.812747] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.840539] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.857046] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.869681] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.887214] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.913027] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.007215] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.030497] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 46.042699] team0: Port device team_slave_0 added [ 46.051205] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 46.069038] team0: Port device team_slave_0 added [ 46.077755] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 46.086340] team0: Port device team_slave_0 added [ 46.107360] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 46.120948] team0: Port device team_slave_1 added [ 46.148520] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 46.163647] team0: Port device team_slave_1 added [ 46.174806] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 46.189586] team0: Port device team_slave_0 added [ 46.207838] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 46.218264] team0: Port device team_slave_1 added [ 46.229437] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.239855] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 46.247870] team0: Port device team_slave_0 added [ 46.278787] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.294258] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.314398] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.331209] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 46.338589] team0: Port device team_slave_1 added [ 46.350006] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 46.362707] team0: Port device team_slave_1 added [ 46.370521] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.392003] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.399578] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.409616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.436382] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.461891] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.470710] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.481214] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.489803] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.503135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.513345] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 46.526208] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 46.536687] team0: Port device team_slave_0 added [ 46.545434] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.555338] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 46.564303] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.572724] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.587435] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.596323] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.604267] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.612265] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.621728] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.629838] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.638493] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.647350] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.658883] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 46.668148] team0: Port device team_slave_1 added [ 46.678120] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.688064] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.705402] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.721142] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.729337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.740667] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.755633] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 46.771569] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.783162] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.797787] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.809318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.821209] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 46.828534] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 46.849793] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.864748] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.881141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.897406] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.905320] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.913976] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.921895] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.951382] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.958290] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.969607] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.073135] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.092552] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.102019] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.153545] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.175938] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.185309] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.516337] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.523013] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.529976] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.536426] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.553638] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 47.648841] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.655301] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.662054] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.668420] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.681936] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 47.728364] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.734816] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.741522] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.747892] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.762638] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 47.775814] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.782247] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.788921] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.795347] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.804323] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 47.814527] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.820953] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.827624] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.834026] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.842051] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 48.051311] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.057723] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.064453] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.070870] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.079553] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 48.527948] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.541932] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.573150] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.580680] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.587662] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.595140] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.511870] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.578621] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.594269] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.783325] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 50.798448] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.824849] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.853825] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 50.862925] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 50.926831] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.036347] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 51.060419] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 51.073442] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.090882] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.127773] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 51.135652] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 51.152082] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.159383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.189772] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 51.210413] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.217654] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.247681] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 51.382710] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 51.390597] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.397708] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.421743] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.429552] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 51.448352] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.461389] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.496564] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.518301] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 51.537852] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.556571] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.567578] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.721245] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.729013] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.777424] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.198855] kauditd_printk_skb: 9 callbacks suppressed [ 53.198869] audit: type=1804 audit(1543854557.998:31): pid=7554 uid=0 auid=4294967295 ses=4294967295 subj=_ op=invalid_pcr cause=open_writers comm="syz-executor1" name="/root/syzkaller-testdir848014936/syzkaller.3LJjXG/0/bus" dev="sda1" ino=16521 res=1 [ 53.252156] audit: type=1804 audit(1543854558.038:32): pid=7557 uid=0 auid=4294967295 ses=4294967295 subj=_ op=invalid_pcr cause=open_writers comm="syz-executor3" name="/root/syzkaller-testdir430056716/syzkaller.cQL8iL/0/bus" dev="sda1" ino=16526 res=1 [ 53.301617] Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! [ 53.331339] syz-executor1 (7554) used greatest stack depth: 10248 bytes left 2018/12/03 16:29:18 executed programs: 6 [ 53.346538] File: /root/syzkaller-testdir430056716/syzkaller.cQL8iL/0/bus PID: 7557 Comm: syz-executor3 [ 53.357098] audit: type=1804 audit(1543854558.078:33): pid=7562 uid=0 auid=4294967295 ses=4294967295 subj=_ op=invalid_pcr cause=open_writers comm="syz-executor2" name="/root/syzkaller-testdir726599069/syzkaller.MPglvG/0/bus" dev="sda1" ino=16527 res=1 [ 53.489754] audit: type=1804 audit(1543854558.078:34): pid=7564 uid=0 auid=4294967295 ses=4294967295 subj=_ op=invalid_pcr cause=ToMToU comm="syz-executor1" name="/root/syzkaller-testdir848014936/syzkaller.3LJjXG/0/bus" dev="sda1" ino=16521 res=1 [ 53.564968] Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! [ 53.570332] audit: type=1804 audit(1543854558.078:35): pid=7554 uid=0 auid=4294967295 ses=4294967295 subj=_ op=invalid_pcr cause=ToMToU comm="syz-executor1" name="/root/syzkaller-testdir848014936/syzkaller.3LJjXG/0/bus" dev="sda1" ino=16521 res=1 [ 53.618030] File: /root/syzkaller-testdir430056716/syzkaller.cQL8iL/1/bus PID: 7587 Comm: syz-executor3 [ 53.629653] audit: type=1804 audit(1543854558.088:36): pid=7554 uid=0 auid=4294967295 ses=4294967295 subj=_ op=invalid_pcr cause=open_writers comm="syz-executor1" name="/root/syzkaller-testdir848014936/syzkaller.3LJjXG/0/bus" dev="sda1" ino=16521 res=1 [ 53.663502] Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! [ 53.691048] Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! [ 53.704796] audit: type=1804 audit(1543854558.088:37): pid=7566 uid=0 auid=4294967295 ses=4294967295 subj=_ op=invalid_pcr cause=ToMToU comm="syz-executor3" name="/root/syzkaller-testdir430056716/syzkaller.cQL8iL/0/bus" dev="sda1" ino=16526 res=1 [ 53.728971] audit: type=1804 audit(1543854558.088:38): pid=7557 uid=0 auid=4294967295 ses=4294967295 subj=_ op=invalid_pcr cause=ToMToU comm="syz-executor3" name="/root/syzkaller-testdir430056716/syzkaller.cQL8iL/0/bus" dev="sda1" ino=16526 res=1 [ 53.734984] File: /root/syzkaller-testdir623453514/syzkaller.Ilc6hJ/1/bus PID: 7591 Comm: syz-executor0 [ 53.762294] File: /root/syzkaller-testdir281953751/syzkaller.9etJ0F/0/bus PID: 7604 Comm: syz-executor5 [ 53.764661] audit: type=1804 audit(1543854558.088:39): pid=7557 uid=0 auid=4294967295 ses=4294967295 subj=_ op=invalid_pcr cause=open_writers comm="syz-executor3" name="/root/syzkaller-testdir430056716/syzkaller.cQL8iL/0/bus" dev="sda1" ino=16526 res=1 [ 53.804731] Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! [ 53.810394] Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! [ 53.828051] syz-executor4 (7617) used greatest stack depth: 10168 bytes left [ 53.840935] File: /root/syzkaller-testdir515768865/syzkaller.C0ufWI/1/bus PID: 7614 Comm: syz-executor4 [ 53.864933] audit: type=1804 audit(1543854558.148:40): pid=7575 uid=0 auid=4294967295 ses=4294967295 subj=_ op=invalid_pcr cause=ToMToU comm="syz-executor2" name="/root/syzkaller-testdir726599069/syzkaller.MPglvG/0/bus" dev="sda1" ino=16527 res=1 [ 53.879107] File: /root/syzkaller-testdir848014936/syzkaller.3LJjXG/2/bus PID: 7610 Comm: syz-executor1 [ 53.921136] Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! [ 53.997412] File: /root/syzkaller-testdir726599069/syzkaller.MPglvG/3/bus PID: 7626 Comm: syz-executor2 [ 54.034673] syz-executor0 (7645) used greatest stack depth: 10088 bytes left [ 54.125863] Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! [ 54.141456] File: /root/syzkaller-testdir848014936/syzkaller.3LJjXG/3/bus PID: 7644 Comm: syz-executor1 [ 54.200324] Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! [ 54.232496] File: /root/syzkaller-testdir726599069/syzkaller.MPglvG/4/bus PID: 7653 Comm: syz-executor2 [ 54.293336] Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! [ 54.358250] File: /root/syzkaller-testdir848014936/syzkaller.3LJjXG/4/bus PID: 7673 Comm: syz-executor1 [ 54.378078] syz-executor0 (7686) used greatest stack depth: 9720 bytes left [ 54.822694] syz-executor3 (7764) used greatest stack depth: 9624 bytes left [ 55.521036] syz-executor0 (7887) used greatest stack depth: 9320 bytes left [ 57.278558] WARNING: CPU: 1 PID: 8190 at fs/ext4/inode.c:3928 ext4_set_page_dirty+0x58c/0x780 [ 57.287352] Kernel panic - not syncing: panic_on_warn set ... [ 57.293253] CPU: 1 PID: 8190 Comm: syz-executor3 Not tainted 4.20.0-rc5+ #140 [ 57.300529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.309888] Call Trace: [ 57.312490] dump_stack+0x244/0x39d [ 57.316137] ? dump_stack_print_info.cold.1+0x20/0x20 [ 57.321354] panic+0x2ad/0x55c [ 57.324562] ? add_taint.cold.5+0x16/0x16 [ 57.328732] ? __warn.cold.8+0x5/0x45 [ 57.332545] ? __warn+0xe8/0x1d0 [ 57.335945] ? ext4_set_page_dirty+0x58c/0x780 [ 57.340541] __warn.cold.8+0x20/0x45 [ 57.344269] ? rcu_softirq_qs+0x20/0x20 [ 57.348260] ? ext4_set_page_dirty+0x58c/0x780 [ 57.352863] report_bug+0x254/0x2d0 [ 57.356510] do_error_trap+0x11b/0x200 [ 57.360418] do_invalid_op+0x36/0x40 [ 57.364148] ? ext4_set_page_dirty+0x58c/0x780 [ 57.368754] invalid_op+0x14/0x20 [ 57.372237] RIP: 0010:ext4_set_page_dirty+0x58c/0x780 [ 57.377438] Code: 8b 85 b0 fe ff ff 4c 8d 70 ff e9 9f fc ff ff e8 fa 2a 67 ff 48 c7 c6 a0 63 3a 88 48 89 df e8 4b 52 98 ff 0f 0b e8 e4 2a 67 ff <0f> 0b e9 b3 fe ff ff e8 d8 2a 67 ff 4d 8d 75 c0 48 b8 00 00 00 00 [ 57.396352] RSP: 0018:ffff8881cebc6130 EFLAGS: 00010293 [ 57.401724] RAX: ffff8881cbe785c0 RBX: ffffea0006c54b80 RCX: ffffffff82186f8d [ 57.408992] RDX: 0000000000000000 RSI: ffffffff821870dc RDI: 0000000000000007 [ 57.416260] RBP: ffff8881cebc6288 R08: ffff8881cbe785c0 R09: 0000000000000007 [ 57.423550] R10: 0000000000000000 R11: ffff8881cbe785c0 R12: 1ffff11039d78c28 [ 57.430857] R13: 0000000000000000 R14: 0000000000000001 R15: ffffea0006c54b88 [ 57.438158] ? ext4_set_page_dirty+0x43d/0x780 [ 57.442754] ? ext4_set_page_dirty+0x58c/0x780 [ 57.447330] ? ext4_readpages+0x120/0x120 [ 57.451481] ? print_usage_bug+0xc0/0xc0 [ 57.455534] ? find_held_lock+0x36/0x1c0 [ 57.459611] ? mark_held_locks+0xc7/0x130 [ 57.463773] ? _raw_spin_unlock_irq+0x27/0x80 [ 57.468298] ? _raw_spin_unlock_irq+0x27/0x80 [ 57.472806] ? ext4_readpages+0x120/0x120 [ 57.476972] set_page_dirty+0x632/0x1030 [ 57.481072] ? __writepage+0xe0/0xe0 [ 57.484801] ? compat_start_thread+0x80/0x80 [ 57.489221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.494772] ? zap_class+0x640/0x640 [ 57.498490] ? mark_held_locks+0x130/0x130 [ 57.502748] ? __switch_to_asm+0x34/0x70 [ 57.506841] ? preempt_notifier_register+0x200/0x200 [ 57.511952] ? __switch_to_asm+0x34/0x70 [ 57.516014] ? __switch_to_asm+0x34/0x70 [ 57.520067] ? __switch_to_asm+0x40/0x70 [ 57.524138] ? __switch_to_asm+0x34/0x70 [ 57.528226] ? __switch_to_asm+0x40/0x70 [ 57.532282] ? __switch_to_asm+0x34/0x70 [ 57.536335] ? __switch_to_asm+0x40/0x70 [ 57.540391] ? __switch_to_asm+0x34/0x70 [ 57.544446] ? __lock_is_held+0xb5/0x140 [ 57.548519] ? perf_trace_sched_process_exec+0x860/0x860 [ 57.553972] ? blk_flush_plug_list+0x72d/0x990 [ 57.558547] ? __might_sleep+0x95/0x190 [ 57.562525] set_page_dirty_lock+0x116/0x190 [ 57.566954] ? tag_pages_for_writeback+0x7d0/0x7d0 [ 57.571905] dio_bio_complete+0x5ad/0x890 [ 57.576065] ? dio_bio_end_io+0x180/0x180 [ 57.580232] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 57.584836] ? trace_hardirqs_on+0xbd/0x310 [ 57.589179] ? kasan_check_read+0x11/0x20 [ 57.593384] ? do_blockdev_direct_IO+0x3db8/0x9db0 [ 57.598321] ? trace_hardirqs_off_caller+0x310/0x310 [ 57.603725] do_blockdev_direct_IO+0x3dcb/0x9db0 [ 57.608511] ? do_direct_IO+0xc110/0xc110 [ 57.612679] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 57.617700] ? find_held_lock+0x36/0x1c0 [ 57.621795] ? check_preemption_disabled+0x48/0x280 [ 57.626825] ? ext4_dio_get_block_unwritten_sync+0xf0/0xf0 [ 57.632455] ? find_get_pages_range_tag+0xebc/0x15d0 [ 57.637564] ? check_preemption_disabled+0x48/0x280 [ 57.642599] ? replace_page_cache_page+0x17e0/0x17e0 [ 57.647709] ? print_usage_bug+0xc0/0xc0 [ 57.651808] ? ext4_mark_inode_dirty+0xb20/0xb20 [ 57.656553] ? __lock_acquire+0x62f/0x4c20 [ 57.660817] ? mark_held_locks+0x130/0x130 [ 57.665067] ? zap_class+0x640/0x640 [ 57.668831] ? __lock_acquire+0x62f/0x4c20 [ 57.673076] ? find_held_lock+0x36/0x1c0 [ 57.677170] ? pagevec_lookup_range_tag+0x40/0x80 [ 57.682064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.687607] ? __filemap_fdatawait_range+0x58a/0x8b0 [ 57.692752] ? kasan_check_read+0x11/0x20 [ 57.696941] ? wait_on_page_bit+0x50/0x50 [ 57.701266] ? __lock_is_held+0xb5/0x140 [ 57.705337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.710895] ? wbc_detach_inode+0x69e/0x940 [ 57.715230] ? wbc_attach_and_unlock_inode+0xa30/0xa30 [ 57.720513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.726079] ? __filemap_fdatawrite_range+0x2ab/0x4a0 [ 57.731283] ? ext4_dio_get_block_unwritten_sync+0xf0/0xf0 [ 57.736908] __blockdev_direct_IO+0x9d/0xc6 [ 57.741241] ext4_direct_IO+0x1156/0x2230 [ 57.745425] ? ext4_iomap_end+0x810/0x810 [ 57.749583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.755135] ? do_writepages+0x15c/0x1a0 [ 57.759209] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 57.764744] ? atime_needs_update+0x507/0x710 [ 57.769253] ? new_inode+0x40/0x40 [ 57.772825] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 57.778369] ? touch_atime+0x103/0x320 [ 57.782262] ? atime_needs_update+0x710/0x710 [ 57.786758] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 57.792319] ? filemap_check_errors+0xd8/0x110 [ 57.796894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.802422] generic_file_read_iter+0x4d7/0x2d70 [ 57.807202] ? filemap_write_and_wait_range+0xd0/0xd0 [ 57.812404] ? do_raw_spin_unlock+0xa7/0x330 [ 57.816829] ? do_raw_spin_trylock+0x270/0x270 [ 57.821427] ? lock_acquire+0x1ed/0x520 [ 57.825420] ? __might_sleep+0x95/0x190 [ 57.829400] ? print_usage_bug+0xc0/0xc0 [ 57.833450] ? futex_wait_queue_me+0x55d/0x840 [ 57.838034] ? refill_pi_state_cache.part.8+0x310/0x310 [ 57.843423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.849330] ? get_futex_value_locked+0xcb/0xf0 [ 57.854005] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 57.859025] ? __lock_acquire+0x62f/0x4c20 [ 57.863263] ? futex_wake+0x760/0x760 [ 57.867063] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 57.872280] ? mark_held_locks+0x130/0x130 [ 57.876537] ? print_usage_bug+0xc0/0xc0 [ 57.880618] ? print_usage_bug+0xc0/0xc0 [ 57.884679] ? futex_wait_setup+0x3e0/0x3e0 [ 57.889000] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 57.894223] ? drop_futex_key_refs.isra.14+0x6d/0xe0 [ 57.899343] ? futex_wake+0x304/0x760 [ 57.903156] ? __lock_acquire+0x62f/0x4c20 [ 57.907398] ? zap_class+0x640/0x640 [ 57.911124] ? mark_held_locks+0x130/0x130 [ 57.915358] ? find_held_lock+0x36/0x1c0 [ 57.919421] ? __fget+0x4aa/0x740 [ 57.922881] ? lock_downgrade+0x900/0x900 [ 57.927051] ? check_preemption_disabled+0x48/0x280 [ 57.932090] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 57.937024] ? kasan_check_read+0x11/0x20 [ 57.941197] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 57.946473] ? rcu_softirq_qs+0x20/0x20 [ 57.950469] ? __fget+0x4d1/0x740 [ 57.953937] ? ksys_dup3+0x680/0x680 [ 57.957674] ext4_file_read_iter+0x18b/0x3c0 [ 57.962096] __vfs_read+0x6ac/0x9b0 [ 57.965751] ? vfs_copy_file_range+0xb90/0xb90 [ 57.970337] ? perf_trace_sched_process_exec+0x860/0x860 [ 57.975812] ? fsnotify+0xef0/0xef0 [ 57.979465] ? fget_raw+0x20/0x20 [ 57.982951] ? rw_verify_area+0x118/0x360 [ 57.987115] vfs_read+0x17f/0x3c0 [ 57.990593] ksys_pread64+0x181/0x1b0 [ 57.994399] ? __ia32_sys_write+0xb0/0xb0 [ 57.998581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 58.004139] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 58.009505] ? trace_hardirqs_off_caller+0x310/0x310 [ 58.014626] __x64_sys_pread64+0x97/0xf0 [ 58.018710] do_syscall_64+0x1b9/0x820 [ 58.022612] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 58.027977] ? syscall_return_slowpath+0x5e0/0x5e0 [ 58.032937] ? trace_hardirqs_on_caller+0x310/0x310 [ 58.037957] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 58.042972] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 58.049663] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 58.054522] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 58.059731] RIP: 0033:0x457569 [ 58.062928] Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 58.081825] RSP: 002b:00007fc5bfbe2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000011 [ 58.089544] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000457569 [ 58.096817] RDX: 0000000000001000 RSI: 0000000020002000 RDI: 0000000000000007 [ 58.104075] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 58.111365] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5bfbe36d4 [ 58.118647] R13: 00000000004c37d2 R14: 00000000004d5b60 R15: 00000000ffffffff [ 58.127119] Kernel Offset: disabled [ 58.130810] Rebooting in 86400 seconds..